Improvement in spark-extinguishers



c. njauanou. Spark-Exti'nguishers.

Patented April 14,1874.

WITNESSES v zflfta ATTORNEYS.

1M PlarMITHMMP/l/E 641M X (man/w: s mans:

UNITED STATES PATENT ()rrron.

CYRUS D. GORDON, OF FOND DU LAC, WISCONSIN, ASSIGNOR OF ONE-HALF HISRIGHT TO J HENRY MGNEEL, OF SAME PLACE.

IMPROVEMENT IN SPARK-EXTINGUISHERS.

Specification forming part of Letters Patent No. 149,742, dated April14, 1874; application filed February 28, 1874.

To all whom it may concern:

Be it known that I, CYRUS D. GORDON, of Fond du Lac, in the county ofFond du Lac and State of Wisconsin, have invented a new and valuableImprovement in Spark-Extinguishers; and I do hereby declare that thefollowing is a full, clear, and exact description of the constructionand operation of the same, reference being had to the annexed drawingsmaking a part of this specification, and to the letters and figures ofreference marked thereon.

Figure l of the drawing is a representation of a top view of myspark-extinguisher. Fig. 2 is a bottom view of the same, and Fig. 3 is asectional view.

This invention has relation to spark-extinguishers and draft-producersfor the smokestacks of stationary and .portable furnaces. It consists inthe novel combination of a propellin g-wheel, fan-wheel, and fixedradial arms,

and in an adjustable sleeve, in combination with an exhaust-pipe and apropelling-wheel, as will be hereinafter more fully set forth.

In the annexed drawings, A designates a smoke-stack, and B the upper endof a pipe leading from the exhaust-port of an engine, and arrangedcentrally in the smoke-stack, in which position this exhaust-pipe may beheld by means of radial rods 0. (Shown in Fig. 2.) On the upper end ofthis pipe B a sleeve, C, is applied, which is vertically adjustable, for

a purpose hereinafter explained. C designates a propeller-wheel, whichis composed of a number of feathered blades securedto a central verticalshaft, D, and rotated by the force of the exhaust steam impingingagainst itsblades. At a suitable distance above the propellerwheel C,and secured to the shaft D, is a hub, E, from which radiate a number ofarms, (I, carrying on their ends feathered blades a, which arms at areendwise adjustable by means of set-screws b, tapped into the said hubE'. The diameter of this fan-wheel F can thus be increased ordiminished, as circumstances may require. The upper end of the shaft Dhas its bearing in the hub g ofseveral radial blades, G, the outer endsof which are secured to the stack A. The broad sides of these bladesstand vertically, and they are arranged in such relation to thefan-blades a that the upwardlyflying sparks are forcibly directedagainst them, and not only extinguished, but reduced to powder. Theseblades G ,also check the whirling motion given to the smoke, and directit upward in a straight course. The sleeve C on the upper end of theexhaust-pipe B is vertically adjustable, as above stated,and it can befixed at any desired point of adjustment by a set-screw or othersuitable contrivance. This feature of my invention is very important-forinstance, in a slow-running engine, or with an engine carrying lowsteam,the said sleeve must be raised above the highest point of thepropellin g-wheel C, for the purpose of concentrating all the force ofthe escaping exhaust steam upon the propellingwheel C.

By lowering the sleeve C the propellingwheel is relieved from the greatforce of the steam, and the speed of the fan-wheel can be regulated tothe work which it is required to perform.

l/Vhat I claim as new, and desire to secure by Letters Patent, is-

1. The combination of the propeller-wheel C, the fan -wheel F, and thefixed radial blades G, as and for the purpose mentioned.

2. The adjustable sleeve C, combinedwith the propelling wheel C andexhaust pipe B, substantially as described.

In testimony that I claim the above I have hereunto subscribed my namein the presence of two witnesses.

CYRUS D. GORDON.

\Vituesses:

W. H. HURLEY, F. O. THOR-P.

